Issued by NWS Boston/Norton MA
Issued on: 05/18/2026 @ 12:19:00 pm and expiring: 05/18/2026 @ 11:00:00 pm

Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert means that Ground Level Ozone concentrations within the region are expected to reach unhealthy levels. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/environmental-protection-bureau/air- resources/air-quality-forecast

Issued by NWS Boston/Norton MA
Issued on: 05/19/2026 @ 11:00:00 am and expiring: 05/20/2026 @ 08:00:00 pm

>WHAT: Heat index values up to 96 expected.
WHERE: Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands.
WHEN: From 11 AM Tuesday to 8 PM EDT Wednesday.
IMPACT: Hot temperatures, a moderate degree of humidity with little relief Tuesday night may cause heat illnesses. * ADDITIONAL DETAILSThis is the first multi-day period of hot temperatures. Those not yet accustomed to hot temperatures with a moderate degree of humidity should take appropriate heat-related precautions.